field this weekend. But a doctor in one town has sparked a fierce response for his call on parents to put a stop to the sport in high school. Abc's dan harris has the story. Reporter: High school football, an american institution. And reflected time and again by hollywood. So, when this mild-mannered school board member at a sparsely-attended meeting in dover, new hampshire, introduced a radical idea. We have a moral imperative to begin the process of ending this game. Reporter: It sparked an instant uproar. A surprising proposal at a school board meeting. Reporter: The media got wind. Now, the future of the program, in jeopardy. Reporter: The board member in question is paul butler. A retired doctor and former high school football player himself, who says the beloved dover high school team, the green wave, has to go. The legislature is clear. This is a dangerous game for children to be playing. Reporter: Espn "sports science" says big blows like this one can be the equivalent of taking a sledgehammer to the head. It's not just pro football. New studies show that kids that play high school football and peewee league football, are exposing themselves to the ers of head trauma. A game that uses the head as a battering ram, is not a smart game to allow a youngster to play. Reporter: Butler has his critics, including the school board chairman, the local paper. And check out how rush limbaugh describes critics of football. Pantywaists who want to try to take the risk out of everything in life. Reporter: Butler admits he does not have the votes to ban football right now. But given the mounting evidence, he says his proposal is a first step toward the inevitable. For "good morning america," dan harris, abc news, new york.

This transcript has been automatically generated and may not be 100% accurate.

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